The correct answer is A. Losar.
Losar is the most important festival for the Buddhist people of Himachal Pradesh. It is the Tibetan New Year and is celebrated with great pomp and show. The festival marks the beginning of the new year in the Tibetan calendar. It is a time for family and friends to come together and celebrate the new year.
Losar is a time for feasting, dancing, and singing. People wear their best clothes and visit each other’s homes. There are also special prayers and rituals that are performed during Losar.
The festival of Losar is a time for renewal and hope. It is a time to forget the past and look forward to the future. It is a time to celebrate the blessings of the past year and to pray for a prosperous new year.
The other options are incorrect because they are not Buddhist festivals. Sairi is a Hindu festival, Khogal is a folk festival, and none of these festivals are popular among Buddhist people in Himachal Pradesh.